JPH0328407A - High speed draining structure for water on surface of ground - Google Patents

High speed draining structure for water on surface of ground

Info

Publication number
JPH0328407A
JPH0328407A JP16136989A JP16136989A JPH0328407A JP H0328407 A JPH0328407 A JP H0328407A JP 16136989 A JP16136989 A JP 16136989A JP 16136989 A JP16136989 A JP 16136989A JP H0328407 A JPH0328407 A JP H0328407A
Authority
JP
Japan
Prior art keywords
ground
recessed groove
sand
layer
earth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16136989A
Other languages
Japanese (ja)
Inventor
Haruo Imamura
Shigeto Kumagai
Original Assignee
Haruo Imamura
Shigeto Kumagai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haruo Imamura, Shigeto Kumagai filed Critical Haruo Imamura
Priority to JP16136989A priority Critical patent/JPH0328407A/en
Publication of JPH0328407A publication Critical patent/JPH0328407A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To facilitate drainage on the surface of the ground by providing a recessed groove, filling rough grain sand or small crushed stones from the bottom of the recessed groove to a proper height, banking the earth having an approximately same property as that of a ground surface layer above said sand or stones and making spot pressure finish.
CONSTITUTION: A recessed groove 3 having proper depth is excavated from a hard stratum 7 to the proximity of the boundary between a mixed earth layer 8 and volcanic grade layer 9 below the stratum 7. Next, rough sand 1 is dumped into the recessed groove 3 to fill it so that the height of the sand reaches 60-70% of the total depth of the recessed groove 3. The excavated remaining earth 2 is banked on the upper portion of the rough sand 1 to be embedded flush with the surface 6 of the ground with spot pressurizing. Thus, rain water ron the surface of the ground can be drained while the operations of execution and reexecution can be easily carried out.
COPYRIGHT: (C)1991,JPO&Japio
JP16136989A 1989-06-24 1989-06-24 High speed draining structure for water on surface of ground Pending JPH0328407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16136989A JPH0328407A (en) 1989-06-24 1989-06-24 High speed draining structure for water on surface of ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16136989A JPH0328407A (en) 1989-06-24 1989-06-24 High speed draining structure for water on surface of ground

Publications (1)

Publication Number Publication Date
JPH0328407A true JPH0328407A (en) 1991-02-06

Family

ID=15733778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16136989A Pending JPH0328407A (en) 1989-06-24 1989-06-24 High speed draining structure for water on surface of ground

Country Status (1)

Country Link
JP (1) JPH0328407A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9715959B2 (en) 2013-01-05 2017-07-25 MultiDimension Technology Co., Ltd. Permanent magnet suitable for magnetic angle encoder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9715959B2 (en) 2013-01-05 2017-07-25 MultiDimension Technology Co., Ltd. Permanent magnet suitable for magnetic angle encoder

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